2.0 Introduction

Question 1

Who proposed the first atomic theory of matter and in which year?

Answer 1

John Dalton, in 1808

Question 2

Dalton’s Atomic Theory, was able to explain which laws of chemical combination?

Answer 2

Law of Conservation of Mass, Law of Constant Composition and Law of Multiple Proportion

Question 3

Dalton’s Atomic Theory failed to explain which experimental phenomenon?

Answer 3

The phenomenon of items getting electrically charged when being rubbed together.